qemuxml2xmltest: Add memfd tests

Somehow, these were not tested. Use symlinks to point expected
output back to the input. This way we can also fix some
discrepancies in the input XMLs.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

tests/qemuxml2argvdata/fd-memory-no-numa-topology.xml

-<domain type='kvm' id='56'>
+<domain type='kvm'>
   <name>instance-00000092</name>
   <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
   <memory unit='KiB'>14680064</memory>
@@ -16,12 +16,20 @@
   <cpu>
     <topology sockets='8' cores='1' threads='1'/>
   </cpu>
-  <clock offset='utc' />
+  <clock offset='utc'/>
   <on_poweroff>destroy</on_poweroff>
   <on_reboot>restart</on_reboot>
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/bin/qemu-system-x86_64</emulator>
-    <memballoon model='virtio'/>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </memballoon>
   </devices>
 </domain>

tests/qemuxml2argvdata/fd-memory-numa-topology.xml

@@ -19,12 +19,20 @@
       <cell id='0' cpus='0-7' memory='14680064' unit='KiB'/>
     </numa>
   </cpu>
-  <clock offset='utc' />
+  <clock offset='utc'/>
   <on_poweroff>destroy</on_poweroff>
   <on_reboot>restart</on_reboot>
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/bin/qemu-system-x86_64</emulator>
-    <memballoon model='virtio'/>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </memballoon>
   </devices>
 </domain>

tests/qemuxml2argvdata/fd-memory-numa-topology2.xml

-<domain type='kvm' id='56'>
+<domain type='kvm'>
   <name>instance-00000092</name>
   <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
   <memory unit='KiB'>14680064</memory>
@@ -26,6 +26,14 @@
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/bin/qemu-system-x86_64</emulator>
-    <memballoon model='virtio'/>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </memballoon>
   </devices>
 </domain>

tests/qemuxml2argvdata/fd-memory-numa-topology3.xml

-<domain type='kvm' id='56'>
+<domain type='kvm'>
   <name>instance-00000092</name>
   <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
   <memory unit='KiB'>14680064</memory>
@@ -27,6 +27,14 @@
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/bin/qemu-system-x86_64</emulator>
-    <memballoon model='virtio'/>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </memballoon>
   </devices>
 </domain>

tests/qemuxml2argvdata/memfd-memory-numa.x86_64-latest.args

@@ -31,7 +31,7 @@ share=yes,size=15032385536,host-nodes=3,policy=preferred \
 -no-acpi \
 -boot strict=on \
 -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
--device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on

tests/qemuxml2argvdata/memfd-memory-numa.xml

-<domain type='kvm' id='56'>
+<domain type='kvm'>
   <name>instance-00000092</name>
   <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
   <memory unit='KiB'>14680064</memory>
   <currentMemory unit='KiB'>14680064</currentMemory>
   <memoryBacking>
     <hugepages>
-        <page size="2" unit="M"/>
+      <page size='2048' unit='KiB'/>
     </hugepages>
     <source type='memfd'/>
     <access mode='shared'/>
     <allocation mode='immediate'/>
   </memoryBacking>
+  <vcpu placement='static'>8</vcpu>
   <numatune>
     <memnode cellid='0' mode='preferred' nodeset='3'/>
   </numatune>
-  <vcpu placement='static'>8</vcpu>
   <os>
     <type arch='x86_64' machine='pc-i440fx-wily'>hvm</type>
     <boot dev='hd'/>
@@ -31,6 +31,14 @@
   <on_crash>destroy</on_crash>
   <devices>
     <emulator>/usr/bin/qemu-system-x86_64</emulator>
-    <memballoon model='virtio'/>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </memballoon>
   </devices>
 </domain>

tests/qemuxml2xmloutdata/fd-memory-no-numa-topology.xml

+../qemuxml2argvdata/fd-memory-no-numa-topology.xml
\ No newline at end of file

tests/qemuxml2xmloutdata/fd-memory-numa-topology.xml

+../qemuxml2argvdata/fd-memory-numa-topology.xml
\ No newline at end of file

tests/qemuxml2xmloutdata/fd-memory-numa-topology2.xml

+../qemuxml2argvdata/fd-memory-numa-topology2.xml
\ No newline at end of file

tests/qemuxml2xmloutdata/fd-memory-numa-topology3.xml

+../qemuxml2argvdata/fd-memory-numa-topology3.xml
\ No newline at end of file

tests/qemuxml2xmloutdata/memfd-memory-numa.xml

+../qemuxml2argvdata/memfd-memory-numa.xml
\ No newline at end of file

tests/qemuxml2xmltest.c

@@ -1158,6 +1158,20 @@ mymain(void)
             QEMU_CAPS_VIRTIO_PCI_IOMMU_PLATFORM,
             QEMU_CAPS_VIRTIO_PCI_ATS);
 
+    DO_TEST("fd-memory-numa-topology", QEMU_CAPS_OBJECT_MEMORY_FILE,
+            QEMU_CAPS_KVM);
+    DO_TEST("fd-memory-numa-topology2", QEMU_CAPS_OBJECT_MEMORY_FILE,
+            QEMU_CAPS_KVM);
+    DO_TEST("fd-memory-numa-topology3", QEMU_CAPS_OBJECT_MEMORY_FILE,
+            QEMU_CAPS_KVM);
+
+    DO_TEST("fd-memory-no-numa-topology", QEMU_CAPS_OBJECT_MEMORY_FILE,
+            QEMU_CAPS_KVM);
+
+    DO_TEST("memfd-memory-numa",
+            QEMU_CAPS_OBJECT_MEMORY_MEMFD,
+            QEMU_CAPS_OBJECT_MEMORY_MEMFD_HUGETLB);
+
     DO_TEST("acpi-table", NONE);
 
     DO_TEST("video-device-pciaddr-default",